{"id":103974,"date":"2022-05-07T03:36:41","date_gmt":"2022-05-07T01:36:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-novoj-stabilnoj-vetki-tor-0-4-7"},"modified":"2022-05-07T03:36:41","modified_gmt":"2022-05-07T01:36:41","slug":"vypusk-novoj-stabilnoj-vetki-tor-0-4-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/vypusk-novoj-stabilnoj-vetki-tor-0-4-7","title":{"rendered":"Lanzamiento de la nueva rama estable de Tor 0.4.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se ha presentado la versi\u00f3n 0.4.7.7 de la herramienta Tor, utilizada para organizar el funcionamiento de la red an\u00f3nima Tor. La versi\u00f3n 0.4.7.7 se considera la primera versi\u00f3n estable de la rama 0.4.7, que ha estado en desarrollo durante los \u00faltimos diez meses. La rama 0.4.7 ser\u00e1 mantenida dentro del ciclo de soporte est\u00e1ndar; la publicaci\u00f3n de actualizaciones se detendr\u00e1 dentro de 9 meses o 3 meses despu\u00e9s del lanzamiento de la rama 0.4.8.x.    <\/p>\n<p>Principales cambios en la nueva rama:  <\/p>\n<ul>\n<li class=\"l\"> Se ha a\u00f1adido la implementaci\u00f3n del protocolo de control de congesti\u00f3n RTT (RTT Congestion Control), que regula el tr\u00e1fico a trav\u00e9s de la red Tor (entre el cliente y el nodo de salida o servicio onion). El protocolo tiene como objetivo reducir el tama\u00f1o de las colas en los rel\u00e9s y superar las limitaciones actuales de ancho de banda. Hasta ahora, la velocidad de un flujo de descarga a trav\u00e9s de los nodos de salida y los servicios onion estaba limitada a 1 MB\/segundo, ya que la ventana de env\u00edo tiene un tama\u00f1o fijo de 1000 celdas por flujo y en cada celda se pueden enviar 512 bytes de datos (la velocidad de flujo con una latencia en cadena de 0.5 segundos = 1000*512\/0.5 = ~1 MB\/segundo).\n<p>Para prever el ancho de banda disponible y determinar el tama\u00f1o de la cola de paquetes en el nuevo protocolo, se utiliza una estimaci\u00f3n del tiempo de ida y vuelta (RTT, Round Trip Time). La simulaci\u00f3n realizada ha mostrado que la aplicaci\u00f3n del nuevo protocolo en los nodos de salida y servicios onion resultar\u00e1 en una disminuci\u00f3n de las latencias de espera en cola, eliminaci\u00f3n de restricciones en la velocidad de flujo, incremento del rendimiento de la red Tor y un uso m\u00e1s \u00f3ptimo del ancho de banda disponible. Por parte del cliente, el soporte para el control de flujo ser\u00e1 ofrecido el 31 de mayo en la pr\u00f3xima versi\u00f3n importante del Tor Browser, basado en la rama Tor 0.4.7.         <\/p>\n<li class=\"l\"> Se ha a\u00f1adido una protecci\u00f3n simplificada Vanguards-lite contra ataques de deanonimizaci\u00f3n de servicios onion de corta duraci\u00f3n, que reduce el riesgo de identificar nodos de guardia (guard) de un servicio onion o de un cliente onion, en situaciones donde el servicio opera menos de un mes (para servicios onion que funcionan m\u00e1s de un mes, se recomienda usar el complemento vanguards). La esencia del m\u00e9todo es que los clientes y servicios onion seleccionan autom\u00e1ticamente 4 nodos de guardia de larga duraci\u00f3n (\"layer 2 guard relay\") para usar en el medio de la cadena, y estos nodos se mantienen durante un tiempo aleatorio (en promedio, una semana).\n<li class=\"l\"> Para <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/server\/\"   title=\"servidores\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1642\">servidores<\/a> En el directorio se ha implementado la posibilidad de asignar el indicador MiddleOnly a los relays utilizando un nuevo m\u00e9todo para alcanzar consenso. Este nuevo m\u00e9todo implica trasladar la l\u00f3gica para establecer el indicador MiddleOnly del nivel del cliente a los servidores del directorio. Para los relays marcados con MiddleOnly, se eliminan autom\u00e1ticamente las banderas Exit, Guard, HSDir y V2Dir, y se establece la bandera BadExit.    <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57143\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f Tor 0.4.7.7, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0430\u043d\u043e\u043d\u0438\u043c\u043d\u043e\u0439 \u0441\u0435\u0442\u0438 Tor. \u0412\u0435\u0440\u0441\u0438\u044f Tor 0.4.7.7 \u043f\u0440\u0438\u0437\u043d\u0430\u043d\u0430 \u043f\u0435\u0440\u0432\u044b\u043c \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u043c \u0432\u0435\u0442\u043a\u0438 0.4.7, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u043b\u0430\u0441\u044c \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 \u0434\u0435\u0441\u044f\u0442\u044c \u043c\u0435\u0441\u044f\u0446\u0435\u0432. \u0412\u0435\u0442\u043a\u0430 0.4.7 \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u0442\u044c\u0441\u044f \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u0448\u0442\u0430\u0442\u043d\u043e\u0433\u043e \u0446\u0438\u043a\u043b\u0430 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u044f &#8212; \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0451\u043d \u0447\u0435\u0440\u0435\u0437 9 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0438\u043b\u0438 \u0447\u0435\u0440\u0435\u0437 3 \u043c\u0435\u0441\u044f\u0446\u0430 \u043f\u043e\u0441\u043b\u0435 \u0440\u0435\u043b\u0438\u0437\u0430 \u0432\u0435\u0442\u043a\u0438 0.4.8.x. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u043d\u043e\u0432\u043e\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-103974","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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